Vaillant ecoTEC plus Installation And Maintenance Instructions Manual page 52

Code Parameter
D.007 Comfort mode target value
APC target value
Cylinder temperature target value
D.008 Controller 3-4
D.009 eBUS controller target value
D.010 Internal pump
D.011 External pump
D.012 Cyl. charging pump
D.013 Circulation pump
D.014 Pump speed target value
D.015 Pump speed actual value
D.016 Controller 24 V DC: Heating mode
D.017 Control type
D.018 Pump operating mode
D.019 Pump operating mode: 2-stage
pump
D.020 Max. DHW temperature target
value
D.022 DHW demand
D.023 Heating mode status
D.025 Ext. eBUS signal: Cylinder char-
ging
52
Values or explanations
Product with integrated domestic hot water generation,
and product with integrated domestic hot water genera-
tion and shift-load cylinder
35 to 65 ℃
Product with heating mode only
Frost protection is at 15 °C, then 40 to 70 °C (max.
temperature can be adjusted under D.020)
Room thermostat open (no heat requirement)
Room thermostat closed (heat requirement)
In °C
On, Off
On, Off
On, Off
On, Off
Target value of internal high-efficiency pump in %. Pos-
sible settings:
0 = Auto
1 = 53
2 = 60
3 = 70
4 = 85
5 = 100
Actual value for internal high-efficiency pump in %
Heating mode off/on
Control type:
0 = Flow, 1 = Return
Return: Automatic detection function for heat output
inactive. Max. possible partial heat load when D.000
is on Auto.
1 = Comfort (continuously operating pump)
Internal pump is switched on when the heating flow tem-
perature is not at Heating off and the heat requirement
is enabled via an external control
3 = Eco (intermittently operating pump)
Internal pump is switched on every 25 minutes for 5
minutes once the overrun time has elapsed
Setting for two-stage pump operating mode
0: Burner mode stage 2, pump prerun/overrun stage 1
1: Heating mode and pump prerun/overrun stage 1,
domestic hot water mode stage 2
2: Automatic heating mode, pump prerun/overrun
stage 1, domestic hot water mode stage 2
3: Always stage 2
4: Automatic heating mode, pump prerun/overrun
stage 1, domestic hot water mode stage 1
Adjustment range: 50–70 °C (actoSTOR 65 °C)
On, Off
Heating on, heating off (summer mode)
On, Off
Installation and maintenance instructions ecoTEC plus 0020244998_04
Factory Own setting
setting
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justable
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0 = Auto
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0 = Flow
3 = Eco
2
65 °C
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justable
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